---
title: SystemUI
description: A library that allows interacting with system UI elements.
sourceCodeUrl: 'https://github.com/expo/expo/tree/sdk-49/packages/expo-system-ui'
packageName: 'expo-system-ui'
---

import APISection from '~/components/plugins/APISection';
import { APIInstallSection } from '~/components/plugins/InstallSection';
import PlatformsSection from '~/components/plugins/PlatformsSection';

`expo-system-ui` enables you to interact with UI elements that fall outside of the React tree. Specifically the root view background color, and locking the user interface style globally on Android.

<PlatformsSection ios simulator web android emulator />

## Installation

<APIInstallSection />

## API

```js
import * as SystemUI from 'expo-system-ui';
```

<APISection packageName="expo-system-ui" apiName="SystemUI" />
